package com.itheima.service;

import com.itheima.pojo.PageBean;
import com.itheima.pojo.User;
import org.apache.ibatis.annotations.Select;

import java.util.List;

public interface UserService {



    User userById(Integer id);

    void updateUser(User user);

    void deleteById(Integer[] ids);

    PageBean page(Integer pageNum, Integer pageSize, String name, Short age, Short gender, String phone);
}
